On the Sum Capacity of the Y-Channel

被引：0
|
作者：
Chaaban, Anas [1 ]
Sezgin, Aydin [1 ]
Avestimehr, A. Salman [2 ]
机构：
[1] Ruhr Univ Bochum, Chair Digital Commun Syst, D-44780 Bochum, Germany
[2] Cornell Univ, Sch Elect & Comp Engn, Ithaca, NY 14853 USA
来源：
2011 CONFERENCE RECORD OF THE FORTY-FIFTH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS (ASILOMAR) | 2011年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A model where three users communicate with each other via a relay is considered. Users do not receive other users' signals via a direct link, and thus the relay is essential for their communication. Each user wants to broadcast one message to each other user. The sum-capacity is studied, and upper bounds and lower bounds are given. If all nodes have the same power, the sum-capacity is characterized to within a gap of 2 bits or a factor of 4 for all values of channel coefficients.
引用
收藏
页码：2135 / 2139
页数：5
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